How to Scan
The breast is divided into four quadrant : Upper Outer Quadrant(UOQ), Upper Inner Quadrant (UIQ), Lower Outer Quadrant (LOQ), Lower Inner Quadrant (LIQ), Check these four quadrant in a clockwise direction and then scan nipple(乳头) and oxter(腋下)
composed of
Fat and Connective tissue
Parenchymal Patterns
The appearance of the glandular elements of the breast vary remarkably from woman to woman and vary within the same woman depending on her stage in life.
Lower Outer Quadrant (LOQ),
The breast proliferate remarkably in both density and volume
Fat and Connective tissue
Retromammary layer
Cancroid 蟹足状的
Check these four quadrant in a clockwise direction and then scan nipple(乳头) and oxter(腋下)
Sonographic Characteristics of
Breast Malignant Tumors